2 Pack Legacy RP901375 Flexzilla Pro 3/8" Reusable Hose Splicer Fitting Flexzilla splicers are reusable Anodized Aircraft Aluminum Barb Size: 3/8" Works with 1/4 in. Flexzilla and Flexzilla PRO air hose Allow you to quickly repair Flexzilla hose using 2 wrenches