Coated Abrasive Belts for Hand-guided Belt Sanders for Metal & Woodworking Descriptions: ... on large, flat surfacesBacking: J, X, Y, Y polyester c Abrasive grain: Brown aluminum oxide Black silicorn carbide Zirconia aluminumBond: resin ... , semi-open Joint type: overlap and butt,zigzag are available Abrasive cloth type: Tx172(A), GXK51(A), GXC51(C), TY186(A ...