Uxcell a15120800ux0181 1.8mm U Groove Nail 4mm x 100mm Shaft Plastic Grip Tack Puller Spanner Head Screwdriver Battery Included: No; Main Material: Metal, Plastic Package Content: 1 x Spanner Head Screwdriver; Product Name: Spanner Head Screwdriver Weight: 65g; Features: U Shape Tip Main Color: Brown, Black, Cyan; Overall Size: 21 x 3.2cm/ 8" x 1.2"(L*) Shaft Size: 4 x 100mm/ 0.15" x 4"(D*L); U Groove Size: 1.8mm/ 0.1"