Brass Set Screws x4 - To Replace 88-089 - For Crosman 2240 2250 2260 Barrel Bands & Steel Breeches (partial match for 1322 1377 2289) These are solid brass set screws, to replace Crosman Part Number 88-089. The barrel band itself is NOT INCLUDED. As such, they are drop in replacements for the 1322 1377 2240 2250 2260 Discovery Barrel Band and also the Steel/Aluminum Breech Set Screws. You will receive FOUR screws + hex wrench. Four screws will fulfill: 1377 + Steel Breech: One in the breech, three extra. 1322 + Aluminum Breech: Two in the breech, two extra. 2240: Two in the band, two extra. 2240 + steel breech: Two in the band, one in the breech, one extra. 2240 + aluminum breech: Two in the band, two in the breech.